package com.example.puzzlegame.Utils;


import android.annotation.SuppressLint;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

import androidx.annotation.RequiresApi;

import java.util.Objects;

/**
 *  小米手机获取本地相册图片出现空指针异常处理类
 * @author wang
 *
 */

public class MiHelper {



/*      方法二  解决小米手机上获取图片路径为null的情况  */

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    public static Uri getPictureUri(android.content.Intent intent) {
        Uri uri = intent.getData();
        String type = intent.getType();
        assert uri != null;
        if (Objects.equals(uri.getScheme(), "file")) {
            assert type != null;
            if (type.contains("image/")) {
                String path = uri.getEncodedPath();
                if (path != null) {
                    path = Uri.decode(path);
                    ContentResolver cr = null;
                    StringBuffer buff = new StringBuffer();
                    buff.append("(").append(MediaStore.Images.ImageColumns.DATA).append("=")
                            .append("'" + path + "'").append(")");
                    assert cr != null;
                    @SuppressLint("Recycle") Cursor cur = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                            new String[]{MediaStore.Images.ImageColumns._ID},
                            buff.toString(), null, null);
                    int index = 0;
                    assert cur != null;
                    for (cur.moveToFirst(); !cur.isAfterLast(); cur.moveToNext()) {
                        index = cur.getColumnIndex(MediaStore.Images.ImageColumns._ID);
                        // set _id value
                        index = cur.getInt(index);
                    }
                    if (index == 0) {
                        // do nothing
                    } else {
                        Uri uri_temp = Uri
                                .parse("content://media/external/images/media/"
                                        + index);
                        if (uri_temp != null) {
                            uri = uri_temp;
                        }
                    }
                }
            }
        }
        return uri;
    }

    @SuppressLint("NewApi") //法一
    public static String getPath(final Context context, final Uri uri) {
        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {
                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"),
                        Long.valueOf(id));
                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }
                final String selection = "_id=?";
                final String[] selectionArgs = new String[] { split[1] };
                return getDataColumn(context, contentUri, selection,
                        selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            // Return the remote address
            if (isGooglePhotosUri(uri))
                return uri.getLastPathSegment();
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }
        return null;

    }

    public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = { column };
        try {
            cursor = context.getContentResolver().query(uri, projection,
                    selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;

    }

    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    private static boolean isGooglePhotosUri(Uri uri) {
        return "com.google.android.apps.photos.content".equals(uri.getAuthority());
    }

}